(under the class definition) Molding apparatus utilizing interchangeable parts to produce a different product or a different sized product, the number of parts in use being
SEE OR SEARCH THIS CLASS, SUBCLASS:
155+, (especially 156) for molds constructed to be adjusted to form products of varying size and shape. Note - subclass 156 differs from this subclass in that in subclass 156 the size of the product is adjusted by adding or subtracting the number of mold surfaces, whereas in subclass 102 one part is substituted for another.
SEE OR SEARCH CLASS
425, Plastic Article or Earthenware Shaping or Treating: Apparatus,
182, for a molding machine combined with apparatus assembly or dismantling means or with an idle part.